All those patents are standards-essential, which means Qualcomm (and anyone else involved in the standardization process for cellular networks) has to license them under "FRAND[0]" terms, which at least for this scenario means "for the same price we'd license them to Samsung or Intel[1]". It also means that design-arounds are not possible; if you design a different technology from the one Qualcomm owns, you're not speaking 5G anymore. That's why we have these legal rules on standards-essential patents.

[0] Fair, reasonable, and non-discriminatory. Each one of those words has a funny legal definition separate from whatever English you're thinking of.

[1] Who, incidentally, sold Apple the modem division that made the C1, because Intel is nothing but a bottomless pit of bad management decisions